基本解释[天] 赤纬轴；偏差轴；斜轴词组短语短语declination å axis 赤纬轴declination E axis 偏差轴hour angle -declination axis mount 时角赤纬轴座架Declination angle of sight axis 视轴偏角专业释义地球科学偏差轴天文学赤纬轴